First place winner
9 of 13 from Photos: Defcon badge inspires hacks
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The first place winner of the Defcon badge-hacking contest went to Zoz Brooks who turned an ordinary hat into an anti-surveillance device by wiring up the brim with LEDs. When you turn on a device controlled by the badge all the lights blink at a certain frequency that generates enough optical noise to defeat facial recognition systems.
August 5, 2009 4:00 AM PDT
Photo by: Joe Grand
